CERES (Clouds and the Earth's Radiant Energy System). -- Photographed on: 09/10/99. -- OV-10 (N524NA) CERES (clouds and the earth's radiant energy system) aircraft with upper and lower external instrumentation pods installed on static display following flight test # 918, T-34C chase aircraft on static display on the left of the OV-10A. People in photographs include Erick V. Roback and Harry A. Verstynen. Photographed at NASA Langley Research Center's hanger ramp, building 1244.